TABLE 3.
The parameters of reflexive saccade in PD, MSA and HC
| −5° | −10° | −15° | −20° | −25° | −30° | +5° | +10° | +15° | +20° | +25° | +30° | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Latency ms, (mean ± SD) | HC | 234.50 ± 100.36 | 257.50 ± 66.44 | 225.00 ± 55.05 | 267.50 ± 83.60, | 247.00 ± 72.68 | 241.50 ± 71.38 | 200.52 ± 48.88 | 216.00 ± 65.19 | 232.50 ± 71.56 | 223.00 ± 58.09 | 272.00 ± 68.66 | 259.00 ± 52.42 |
| PD | 187.69 ± 139.07 | 226.67 ± 93.59 | 173.55 ± 74.49 a , e | 229.46 ± 86.86 a , d | 213.33 ± 90.76 a , d | 195.69 ± 51.06 a , e | 171.08 ± 105.17 | 177.20 ± 95.94 a , d | 199.35 ± 112.81 | 195.27 ± 68.42 a , d | 227.09 ± 95.40 a , d | 214.19 ± 71.17 a , d | |
| MSA | 218.00 ± 135.94 | 222.00 ± 51.87 | 188.00 ± 50.01 b , d | 211.00 ± 59.28 b , d | 261.00 ± 94.36 c , d | 225.00 ± 56.14 c , d | 182.22 ± 41.09 | 213.00 ± 151.52 | 200.00 ± 43.53 c , d | 243.00 ± 69.37 | 257.00 ± 103.47 | 242.00 ± 82.05 | |
| Accuracy %, (mean ± SD) | HC | 96.97 ± 16.18 | 91.46 ± 11.74 | 88.75 ± 12.65 | 87.53 ± 9.94 | 88.17 ± 12.91 | 80.98 ± 14.03 | 95.40 ± 17.54 | 91.73 ± 12.50 | 89.10 ± 11.32 | 88.35 ± 12.48 | 88.40 ± 15.09 | 85.28 ± 14.25 |
| PD | 100.64 ± 29.17 | 90.57 ± 15.98 | 80.14 ± 17.67 | 85.67 ± 17.60 a , d | 81.61 ± 17.78 | 80.32 ± 17.22 | 98.78 ± 24.84 | 89.16 ± 20.32 | 86.13 ± 14.42 | 84.82 ± 15.99 | 82.46 ± 17.50 | 80.91 ± 17.02 | |
| MSA | 98.89 ± 21.91 | 85.55 ± 12.86 | 79.10 ± 20.07 b , d | 73.95 ± 18.26 b , d | 83.75 ± 19.14 | 79.15 ± 15.41 | 92.23 ± 21.26 | 84.95 ± 25.07 | 92.65 ± 15.35 | 89.35 ± 13.81 | 78.85 ± 22.66 | 81.05 ± 14.94 | |
| Velocity °/s, (mean ± SD) | HC | 118.07 ± 17.15 | 179.33 ± 31.79 | 247.45 ± 44.19 | 285.20 ± 53.29 | 333.87 ± 70.36 | 333.95 ± 64.77 | 122.47 ± 25.43 | 197.08 ± 32.70 | 254.62 ± 45.53 | 292.75 ± 49.45 | 331.28 ± 64.39 | 356.85 ± 61.16 |
| PD | 118.57 ± 22.18 | 186.70 ± 37.40 c , d | 228.20 ± 60.07 | 286.53 ± 63.63 | 307.84 ± 61.62 a , d | 341.11 ± 87.30 | 118.72 ± 24.78 | 188.16 ± 39.65 | 250.81 ± 61.09 | 294.30 ± 61.40 | 328.98 ± 77.43 | 346.11 ± 79.73 | |
| MSA | 117.50 ± 25.5 | 165.10 ± 26.42 | 232.70 ± 59.58 | 274.50 ± 68.65 | 343.95 ± 84.60 b , d | 357.25 ± 67.80 | 112.16 ± 34.68 | 187.20 ± 31.39 | 265.50 ± 57.01 | 297.65 ± 54.63 | 312.95 ± 83.59 | 344.55 ± 71.24 |
‐ saccade direction: left, + saccade direction: right.
Abbreviations: HC, healthy controls; MSA, multiple system atrophy; PD, Parkinson's disease; SD, standard deviation.
a
PD compared with HC.
b
MSA compared with HC.
c
PD compared with MSA.
d
p < .05.
e
p < .001.